Know, playing mahjong is a competitive sport, and has long been the State Sports General Administration approval. Recently, a 74-year-old mahjong crowds.

• 知道吗,打麻将是一项竞技体育项目,并早已被国家体育总局批准。日前,一名74岁的老麻将迷称,他要尽最大努力,将麻将申请为奥运项目。